Vikash Singh Tomar

If your backend already handles authentication and authorization, why does CORS exist in the first place? What's the actual problem CORS is designed to solve? 👀

AI Interview: You add a “Summarize this” button to your app. It calls an LLM with the user’s full document. Works great on a 2-page doc. A user uploads a 400-page PDF. Request fails. Or worse, it succeeds, and the summary quietly ignores the middle 300 pages. No crash. No warni

Everyone’s building AI features. Almost nobody is testing them. With normal code, a test passes or fails. With AI: -> Same input, different output. -> “Works” depends on who’s reading it. -> It’s fine in the demo, wrong in production. If you can’t measure whether your AI featur